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6 Cards in this Set

  • Front
  • Back
ACh excites skeletal muscle & yet it inhibits heart muscle. How can this be?
ACh interacts with more than one specific receptor type and this explains how it can excite at some synapses and inhibit at others.
Why is cyclic AMP called a second messenger?
cAMP is called a second messenger because it relays the message between the first messenger (the original chemical messenger) outside of the cell and effector molecules that will ultimately bring about the desired response with in the cell.
What types of neural circuits would give a prolonged output after a single input?
Reverberating circuits and parallel after-discharge circuits both result in prolonged output.
What pattern of neural processing occurs when we blink as an object comes toward the eye?

What is this response called?
The pattern of neural processing is serial processing.

The response is a reflex arc.
What pattern of neural processing occurs when we smell freshly baked apple pie and remember thanksgiving at our grandparents house, the odor of freshly cooked turkey, and other such memories?
The pattern of neural processing is PARALLEL processing.
What is the name of the growing tip of an Axon that "sniffs out" where to go during development?

What is the general name for the chemicals that tell it where to go?
The growing tip of an Axon is called a growth cone.

Neurotropins are chemicals that signal the growth cone.